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2. Operation Interval:
On the days of the week screen press the
button to 7 times
for skipping the operation by days of the week and advancing
the cursor to the Days Cycle line. Two numbers appear on this
line: the right number presents the program’s Days Interval
and the left number display the number of days left till the next
operation day. Note that during the first setup of this program
the number of day till next operation number is zero.
Use the
and the
buttons to set the required Days Interval
(10 days in our example). Note that the maximal interval is
30 days.
Press the
button to move to the next programming screen
which is the Start Times screen.
3. Start Time:
Use the
and the
buttons to set the required Start Time
(08:00 in our example).
The controller is now set for automatically operating this
Dead-end Pipes Purging Application.
C. Purging interval by days of the week and purging
amount by Water Volume:
In this example the pipe needs to be purged for 50 water
meter pulses every Monday and Friday at 08:00 AM. Therefore,
the three required program parameters of the controller are:
Operation Volume - 50 pulses, Operation Days - Monday and
Friday, and Start Time at 08:00 AM.
In order to operate the above program the system should be
based on BERMAD’s series Hydrometer, or on other BERMAD’s
control valve and a water meter. The Subtv controller should be
also set to volumetric operation, which can be done only at the
